20 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
(assumes Room Air ... Hypoventilation: CNS of Respiratory ... Weakness, Loss of Chest ... , Interstitial Lung ... #differential #diagnosis
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
week of a known clinical ... be present on a chest ... computed tomographic (CT ... lobar collapse, lung ... Definition #Criteria #Diagnosis
Hoover's Sign

Hoover’s sign refers to inward movement of the lower rib cage during inspiration- instead of
hyperexpansion of the lungs ... due to air trapping ... Hoovers #Sign #Pulmonary ... #COPD #PhysicalExam ... #Video #Clinical
Kussmaul Breathing in Lactic Acidosis
Acute non-cardiopulmonary dyspnoea. 70 ys, DM, vomiting and URQ abdominal pain since
On CT scan, abdominal ... originates in the chest ... #Respirations #Clinical ... #Video #PhysicalExam ... #Pulmonary #Respiratory
Monod Sign on Chest CT
 • Air surrounding a fungal ball in a preexisting pulmonary cavity
Monod Sign on Chest ... CTAir surrounding ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
Air Bronchogram ... Sign on Chest CT ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Acute Respiratory ... – ARDS: Clinical ... Cheat Sheet ... be detected on CT ... Summary #CheatSheet #Diagnosis
Air Crescent Sign on Chest CT
 • Crescentic or circumferential rim of radiolucent airspace within a
Air Crescent Sign ... on Chest CT • ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Loss of weight • Chest ... thickening, presence of air-fluid ... in the adjacent lung ... of the affected lung ... CT) • Broncho-arterial
Platypnea-Orthodeoxia Syndrome on Physical Exam
The case of a patient with a diagnosis of cirrhosis and platypnea-orthodeoxia
patient with a diagnosis ... #PhysicalExam # ... clinical #video ... #breathing #respiratory ... #pulmonary